Efstratia (Effie)Kalfagianni is a Greek American mathematician specializing inlow-dimensional topology.
Kalfagianni graduated fromAristotle University of Thessaloniki in October 1987. After earning a master's degree in 1990 atFordham University, she moved toColumbia University for doctoral studies, earning a second master's degree in 1991 and completing her Ph.D. in 1995. Her dissertation,Finite Type Invariants for Knots in 3-Manifolds, was supervised byJoan Birman andXiao-Song Lin.[1]
After postdoctoral study at theInstitute for Advanced Study and three years as Hill Assistant Professor atRutgers University, she moved toMichigan State University in 1998. She was promoted to full professor in 2008 and received the MSU William J. Beal Outstanding Faculty Award in 2019.[2][3]
Kalfagianni has made contributions inknot theory,three-manifolds,hyperbolic geometry,quantum topology and the interplay of these fields. She contributed on the relations of theJones polynomial[4] toHyperbolic volumes of knotsand on theVolume conjecture forQuantum invariants[5][6] of 3-manifolds. With David Futer andJessica Purcell, Kalfagianni is co-author of the research monographGuts of Surfaces and the Colored Jones Polynomial (Lecture Notes in Mathematics 2069, Springer, 2013) that derives relations between colored Jones polynomials, the topology of incompressible spanning surfaces in knot and link complements and hyperbolic geometry.[7]
Kalfagianni is an editor for theNew York Journal of Mathematics.[8] and an Academic Editor for theJournal of Knot Theory and its Ramifications.[9] She was also one of the editors of the bookInteractions Between Hyperbolic Geometry, Quantum Topology and Number Theory (Contemporary Mathematics Volume: 541, AMS, 2011) .[10]
Kalfagianni was a member[11] at theInstitute for Advanced Study in 1994–1995 in 2004–2005 and in the Fall term of 2019[3].In 2019 she became a fellow of theAmerican Mathematical Society ``For contributions to knot theory and 3-dimensional topology,and for mentoring" .[12]
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